Perhaps you should try some spelling variations:
information ladder » information letter, information der, information labor
dual developpement » du developpement, dual development, de developpement
communication 3.3 » communication _, communication a, communication 1
de communication » mobile communication, online communication
developpement l » developpement il, developpement la, developpement de
ladder de » lander der, ladder _, ladder 4
l afrique » en afrique
3.3 dual » 2.3 dual, 3.4 dual, 3.7 dual
de de » e de, de ce, de se

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies _ information ladder de de communication 3.3 dual developpement l afrique.*.